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Cisco Nexus 2000 Series Hardware Installation Guide
Chapter 1 Using a Fabric Extender with a Cisco Nexus 5000 Series or Cisco Nexus 6000 Series Switch
Cisco Nexus 2148T
Supported SFP+ Transceivers
The Cisco Nexus 2224TP FEX supports SFP+ Ethernet transceivers. The enhanced Small-Form-Factor
Pluggable (SFP+) 10-Gigabit Ethernet transceiver is a bidirectional device with a transmitter and
receiver. It has a 20-pin connector on the electrical interface and duplex LC connector on the optical
interface. Currently, the Cisco Nexus 2224TP FEX supports the short-range SFP and long-range SFP
transceiver. Copper interface cables are available for use with the 10-Gigabit Ethernet SFP+ transceiver.
For an updated list of supported transceivers and optics, please see the Cisco Nexus 2000 Series Fabric
Extenders Release Notes.
Cisco Nexus 2148T
The Cisco Nexus 2148T FEX is a 1 RU device that acts as a remote I/O module on the Cisco Nexus 5000
Series switch. All device configurations are managed on the switch and configuration information is
downloaded through inband communication to the FEX. You can use this FEX with the Cisco Nexus
5000 Series switch. The FEX software ships with the Cisco Nexus 5000 Series switch software. The FEX
downloads the software image from the switch the same way that a module would download it from the
supervisor in a modular chassis.
This section includes the following topics:
• Features, page 1-36
• Chassis, page 1-36
• Ports, page 1-38
• Power Supplies, page 1-38
• Fan Tray, page 1-39
• Supported SFP Transceivers, page 1-40
Features
The Cisco Nexus 2148T FEX has the following features:
• Forty-eight 1-Gigabit Ethernet ports
• Four 10-Gigabit Ethernet ports
• Redundant (dual) 200-W modular, hot-swappable power supplies with a power switch on each
supply
• Removable fan tray with redundant fans. The fan tray can be removed for hot swapping. If it is not
replaced within 60 seconds, the system shuts down.
• Port-side exhaust airflow
Chassis
The Cisco Nexus 2148T FEX has a height of 1.72 inches (4.37 cm), a width of 17.3 inches (43.94 cm),
and a depth of 20 inches (50.8 cm). The FEX is mounted in a standard 19-inch (48.24 cm) rack. The
chassis requires 1 RU. One fan tray and two power supplies are located at the fan side of the device. The